>>>>So, what are your predictions?
>>>>
>>>>
? .f. or .t. or .f. and .f. or .f.
>>>>? .f. or .f. or .t. and .f. or .f.
>>>
>>>True and False
>>
>>We reasoned from left to right.
>>
>>Our initial reasoning for the 1st one was:
>>step 1) false or true = true
>>step 2) true or false = true
>>step 3) true and false = false
>>step 4) false or false = FALSE
>>
>>Our initial reasoning for the 2nd one was:
>>step 1) false or false = false
>>step 2) false or true = true
>>step 3) true and false = false
>>step 4) false or false = FALSE
>>
>>We now know we were wrong and why. But does anybody here (except Sergey, who obviously appears to know why) know why?
>
>Help ?
>
>
>Logical Operators
>
>
>Logical operators work with all data types and return a Logical value.
>The following table lists the logical operators in order of precedence.
>
>Logical Operators
>
>Operator Action Code
>( ) Expression groups
>NOT, ! Logical negative
>
>AND Logical AND
>OR Logical inclusive OR
>
>
>
>
>
> #define _FALSE_ 0
> #define _TRUE_ 1
> #define or +
> #define and *
>
>
> ? _FALSE_ or _TRUE_ or _FALSE_ and _FALSE_ or _FALSE_
> ? _FALSE_ or _FALSE_ or _TRUE_ and _FALSE_ or _FALSE_
>
>
> #undefine _FALSE_
> #undefine _TRUE_
> #undefine or
> #undefine and
>
That's indeed a nice way of demonstrating the logic of precendence.
Groet,
Peter de Valença
Constructive frustration is the breeding ground of genius.
If there’s no willingness to moderate for the sake of good debate, then I have no willingness to debate at all.
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